@article{Zheng_2017 author = {Fangchao Zheng and Zhihua Sun and Jie Kan and Jiangxia Yin and Feng Du and Guoshuang Shen and Ziyi Wang and Dengfeng Ren and Xiaqing Bao and Jiuda Zhao}, title = {Is It a Protective Factor of Helicobacter pylori Infection in Overall Survival of All Gastric Cancer? Evidence from Meta-Analysis}, journal = {Journal of Environmental Pathology, Toxicology and Oncology}, issn = {0731-8898}, year = {2017}, volume = {36}, number = {4}, pages = {309--320} }